Hydrotherapy spa



FIG. 1 is a perspective view of a hydrotherapy spa showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a cross sectional view of the hydrotherapy spa taken along plane 3--3 in FIG. 2 in the direction of the arrows;

FIG. 4 is a cross sectional view of the hydrotherapy spa taken along plane 4--4 in FIG. 2 in the direction of the arrows; and

FIG. 5 is a sectional view of the step portion of the hydrotherapy spa taken along plane 5--5 in FIG. 2 in the direction of the arrows. 

The ornamental design for a hydrotherapy spa, as shown. 